Struct PerCpuValues

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pub struct PerCpuValues<T: Clone>(/* private fields */);
Expand description

A structure representing values of per-cpu map structures such as PerCpuArray

It is a kind of newtype of Box<[T]>. The length of the slice is always the same with cpus::get_possible_num. It also implements Deref and DerefMut so it can be used as a normal array.

§Example

use redbpf::PerCpuValues;
let mut values = PerCpuValues::<u64>::new(0);
values[0] = 1;

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impl<T: Clone> PerCpuValues<T>

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pub fn new(default_value: T) -> Self

Create a PerCpuValues<T> instance

The created instance contains the fixed number of elements filled with default_value

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impl<T: Clone + Clone> Clone for PerCpuValues<T>

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fn clone(&self) -> PerCpuValues<T>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<T: Debug + Clone> Debug for PerCpuValues<T>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<T: Clone> DerefMut for PerCpuValues<T>

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fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.
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impl<T: Clone> From<Box<[T]>> for PerCpuValues<T>

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fn from(values: Box<[T]>) -> Self

Converts to this type from the input type.
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impl<T: Clone> From<Vec<T>> for PerCpuValues<T>

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fn from(values: Vec<T>) -> Self

Converts to this type from the input type.
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impl<T: Clone> Deref for PerCpuValues<T>

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type Target = Box<[T]>

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.

Auto Trait Implementations§

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impl<T> Freeze for PerCpuValues<T>

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impl<T> RefUnwindSafe for PerCpuValues<T>
where T: RefUnwindSafe,

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impl<T> Send for PerCpuValues<T>
where T: Send,

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impl<T> Sync for PerCpuValues<T>
where T: Sync,

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impl<T> Unpin for PerCpuValues<T>

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impl<T> UnwindSafe for PerCpuValues<T>
where T: UnwindSafe,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more